Petrel 3 Fischer

Shearwater Petrel 3 Fischer Dive Computer

The Shearwater Petrel 3 Fischer is a robust, full-featured dive computer built for advanced technical and rebreather divers who require direct sensor monitoring and uncompromising reliability. Featuring a stunning 2.6-inch AMOLED display protected by toughened glass and a titanium bezel, the Petrel 3 Fischer delivers exceptional clarity and durability. Designed and built in Canada, this model includes a Fischer port connection and External Monitoring Mode for real-time PPO2 monitoring, making it a world-class solution for rebreather diving.

Key Features

• 2.6-inch bright AMOLED display with exceptional readability in all conditions

• Integrated Fischer port connection for direct rebreather system integration

• Standard wireless air integration supporting up to four Shearwater transmitters

• Strong vibration alert system enhances safety during complex dives

• User-replaceable AA battery provides long dive times and easy field replacement

Display and User Interface

• 6.60 cm / 2.6-inch AMOLED display with 320 × 240 resolution for superior clarity

• Impact-resistant toughened aluminosilicate glass window with high optical clarity

• Piezo touch buttons offer reliable operation even with thick gloves

• Clean, intuitive interface optimized for quick data recognition at depth

Diving Modes and Capabilities

• Open-circuit Air, Nitrox, and Trimix with support for up to five gases

• Closed-circuit rebreather (CCR) support with up to five diluent and bailout gases

• External Monitoring Mode provides real-time PPO2 monitoring of 1–3 O2 sensors

• Bühlmann ZHL-16C decompression algorithm with full gradient factor control

• Depth-rated to extreme limits for demanding technical and rebreather dives

Extras for Technical Divers

• Direct Fischer connection enables reliable, hardwired CCR monitoring

• Supports advanced bailout and gas pressure monitoring configurations

• Ideal for expedition, cave, and deep technical diving environments

• Trusted rebreather solution used by technical divers worldwide

Perfect For

• Closed-circuit rebreather (CCR) divers requiring PPO2 monitoring

• Technical divers performing trimix and decompression dives

• Divers who want the largest, brightest display in a technical dive computer

• Advanced divers seeking a future-proof, expedition-ready computer

What's In The Box

• Shearwater Petrel 3 Fischer dive computer

• Inspection checklist card and product information guide

• Screen protector

• Black double webbing strap

• Ballistic nylon protective case